Control quadrant



FIG. 1 is a rear perspective view of a control quadrant, showing our new design, the vehicle shown in broken lines is for illustrative purposes only, and forms no part of the claimed design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a left side elevational view thereof, the right side being plain and unornamented. 

The ornamental design for a control quadrant, as shown and described. 